General (Details) (Error Correction [Member], USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended			9 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Dec. 31, 2011
Error Correction [Member]
Revision of prior period financial [Abstract]
Cost of goods sold, decrease			$ 0.3	$ 1.1
Gross profit increase			0.3	1.1
Selling, general and administrative expense, decrease			0.7	0.5
Provision for income tax increase			0.3	1.0
Earnings from continuing operations increased			0.7	0.6
Diluted earnings per share from continuing operations, increase (in dollars per share)			$ 0.01	$ 0.01
Diluted net earnings per share, increase (in dollars per share)			$ 0.01	$ 0.01
Out-of-period adjustments [Abstract]
Pre-Tax Earnings	$ 0.5	$ (0.5)